"""Request models for the calendar API (SPEC §A)."""

from __future__ import annotations

import uuid
from datetime import datetime

from pydantic import BaseModel


class CalendarIn(BaseModel):
    name: str
    color: str = "#3b82f6"


class CalendarPatch(BaseModel):
    name: str | None = None
    color: str | None = None
    publish: str | None = None  # "off" | "full" | "busy" — public .ics feed control


class SubscribeIn(BaseModel):
    url: str  # source .ics URL to subscribe to (read-only external calendar)
    name: str = ""  # optional calendar name (defaults to the feed's title / host)
    color: str = "#6b7280"


class DavConnectIn(BaseModel):
    provider: str  # "icloud" | "caldav"
    server_url: str = ""  # required for generic caldav; ignored for known providers
    username: str
    password: str


class Attendee(BaseModel):
    email: str
    name: str = ""
    # RSVP status: needs-action | accepted | declined | tentative
    partstat: str = "needs-action"


class EventIn(BaseModel):
    calendar_id: uuid.UUID
    summary: str = ""
    description: str = ""
    location: str = ""
    dtstart: datetime
    dtend: datetime | None = None
    all_day: bool = False
    tz: str = "UTC"
    rrule: str | None = None
    reminders: list[int] = []
    attendees: list[Attendee] = []  # stored in A1; iMIP invites are sent in A2
    organizer: Attendee | None = None
    color: str | None = None  # None = inherit the calendar colour
    show_as: str = "busy"  # busy | free
    conference_url: str = ""  # Jitsi Meet video-call link; empty = none


class EditFollowingIn(BaseModel):
    # ``recurrence_start`` = the clicked occurrence's original start; ``event`` = the
    # edited fields. Splits the series so occurrences BEFORE it are untouched.
    recurrence_start: datetime
    event: EventIn


class EventPatch(BaseModel):
    summary: str | None = None
    description: str | None = None
    location: str | None = None
    dtstart: datetime | None = None
    dtend: datetime | None = None
    all_day: bool | None = None
    tz: str | None = None
    rrule: str | None = None
    reminders: list[int] | None = None
    attendees: list[Attendee] | None = None
    color: str | None = None
    show_as: str | None = None
    conference_url: str | None = None